import { ExtractJwt, Strategy } from 'passport-jwt';
import { PassportStrategy } from '@nestjs/passport';
import { Injectable, UnauthorizedException } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';
import { DbService } from '@/db/db.service';
import { UserEntity } from '@/db/entitys/user.entity';

@Injectable()
export class JwtStrategy extends PassportStrategy(Strategy) {
  constructor(
    private readonly configService: ConfigService,
    private readonly dbService: DbService,
  ) {
    super({
      jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
      ignoreExpiration: false,
      secretOrKey: configService.get("JWT_SECRET"),
    })
  }
  async validate(payload: {id: number}): Promise<UserEntity> {
    const user = await this.dbService.userRepository.findOneBy({id: payload.id})
    if (!user) {
      throw new UnauthorizedException()
    }
    return user
  }
}